Aluminium ammonium sulfate dodecahydrate

Product Name: Aluminium ammonium sulfate dodecahydrate
CAS No.: 7784-26-1
Chemical Name: Aluminium ammonium sulfate dodecahydrate
Synonyms: ALUM;AMMONIUM A;ALUM AMMONIA;AMMONIUM ALUM;ALUM AMMONIUM;AINH4(SO4)2·12H2O;Aluminum ammonium su;AMMONIUM ALUM POWDER USP;AMMONIUM ALUMINIUM SULFATE;AluminiumAmmoniumSulphateAr
CBNumber: CB6481463
Molecular Formula: AlH28NO20S2
Formula Weight: 453.33
MOL File: 7784-26-1.mol

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Aluminium ammonium sulfate dodecahydrate Property

Melting point:: 93.5 °C(lit.)
Boiling point:: 200 °C
Density: 1.64
storage temp.: Store at +5°C to +30°C.
solubility: H₂O: 0.1 M at 20 °C, clear, colorless
form: Solid
Specific Gravity: 1.64
color: White
PH: 2.6 (100g/l, H2O, 25℃)
Odor: Odorless
PH Range: 2.6
Water Solubility: Soluble in water and glycerol. Insoluble in alcohol.
Merck: 14,327
Exposure limits: NIOSH: TWA 2 mg/m3
Stability:: Stable.
LogP: -1.031 (est)
CAS DataBase Reference: 7784-26-1(CAS DataBase Reference)
EPA Substance Registry System: Aluminum ammonium disulfate dodecahydrate (7784-26-1)

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Safety

Hazard Codes: Xi,C
Risk Statements: 36/37/38-34
Safety Statements: 26-36-45-36/37/39-27
WGK Germany: 3
RTECS: WS5640010
TSCA: Yes
HS Code: 2833 30 00

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P405Store locked up.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 1.01031
Product name: Aluminium ammonium sulfate dodecahydrate
Purity: for analysis EMSURE? ACS
Packaging: 500g
Price: $306
Updated: 2024/03/01

Alfa Aesar

Product number: 013802
Product name: Aluminum ammonium sulfate dodecahydrate, Reagent Grade
Packaging: 100g
Price: $34.3
Updated: 2023/06/20

Alfa Aesar

Product number: 013802
Product name: Aluminum ammonium sulfate dodecahydrate, Reagent Grade
Packaging: 2kg
Price: $227
Updated: 2023/06/20

Sigma-Aldrich

Product number: A2140
Product name: Ammonium aluminum sulfate dodecahydrate
Purity: ReagentPlus , ≥99% (titration)
Packaging: 500g
Price: $193
Updated: 2024/03/01

Sigma-Aldrich

Product number: A2140
Product name: Ammonium aluminum sulfate dodecahydrate
Purity: ReagentPlus , ≥99% (titration)
Packaging: 1kg
Price: $276
Updated: 2024/03/01

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Aluminium ammonium sulfate dodecahydrate Chemical Properties,Usage,Production

Chemical Properties

Colorless transparent cube or white powder. No smell, astringent taste. Slightly soluble in water (15g/100ml at 20℃), easily soluble in hot water. The water solution is acidic. Soluble in dilute acid and glycerol, insoluble in alcohol. Loses 10 molecules of water when heated to 120℃, becomes anhydrous alum when heated to 200℃, and decomposes at 280℃.

Uses

Ammonium aluminum sulfate dodecahydrate may be used in the preparation of alum (Al(OH)₃) gel and monodispersed yttrium aluminum garnet (YAG) powder.

Definition

ChEBI: Ammonium alum is an inorganic sulfate salt.

Preparation

Aluminium ammonium sulfate dodecahydrate is produced through the reaction of sulphuric acid with aluminium hydroxide. Ammonium sulphate is added to the mixture and allowed to react. The mixture is then cooled and crystallized, followed by centrifugal separation. The resulting product is dried to obtain the final aluminium ammonium sulfate.

General Description

Ammonium aluminum sulfate dodecahydrate, commonly called as ammonium alum, is widely used in the water purification, cosmetic formulation, fertilizers and food preservation. Its thermal decomposition has been studied. It has high latent heat of 251kJkg^-1 with a potential use in the heating system. Its utility as a flame-retardant for cotton fabric has been studied.

Purification Methods

Crystallise it from hot H2O and cool in ice. When the melt is heated, it loses NH3 and H2SO4, and gives pure alumina at red heat. Solubility (%) in H2O is 3.9 (0o), 15.0 (20o) and 135 (100o).

Aluminium ammonium sulfate dodecahydrate Preparation Products And Raw materials

Raw materials

BAUXITE Aluminum sulfate Aluminum ammonium sulfate Aluminum hydroxide Ammonium sulfate

Preparation Products

Aluminum ammonium sulfate Aluminum oxide

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Aluminium ammonium sulfate dodecahydrate Suppliers

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View Lastest Price from Aluminium ammonium sulfate dodecahydrate manufacturers

Hebei Zhuanglai Chemical Trading Co Ltd

Product: Aluminium ammonium sulfate dodecahydrate 7784-26-1
Price: US $79.00-38.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 20ton
Release date: 2024-11-15

LY Global chemicals co.,ltd .

Product: Aluminium ammonium sulfate dodecahydrate 7784-26-1
Price: US $0.00-0.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 1000 KG
Release date: 2023-12-04

Career Henan Chemical Co

Product: AMMONIUM ALUM 7784-26-1
Price: US $1.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 25kg
Release date: 2019-07-11

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